package com.neusoft.elmboot.mapper;

import java.util.List;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import com.neusoft.elmboot.po.Cart;
/**
 * 购物车
 * Mapper
 * （xml文件位于resources.mapper）
 */
@Mapper
public interface CartMapper {

    public List<Cart> listCart(Cart cart);
    @Insert("insert into cart values(null,#{foodId},#{businessId},#{userId},1)")
    public int saveCart(Cart cart);
    @Update("update cart set quantity=#{quantity} where foodId=#{foodId} and businessId=#{businessId} and userId=#{userId}")
    public int updateCart(Cart cart);

    public int removeCart(Cart cart);
}
